65154138032 has 20 divisors (see below), whose sum is σ = 128922019296. Its totient is φ = 31883939520.

The previous prime is 65154138029. The next prime is 65154138073. The reversal of 65154138032 is 23083145156.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43319819 + ... + 43321322.

Almost surely, 2^65154138032 is an apocalyptic number.

It is an amenable number.

65154138032 is a deficient number, since it is larger than the sum of its proper divisors (63767881264).

65154138032 is a wasteful number, since it uses less digits than its factorization.

65154138032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86641196 (or 86641190 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 65154138032 in words is "sixty-five billion, one hundred fifty-four million, one hundred thirty-eight thousand, thirty-two".